Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D012200-P-01ITEM45 found under O Ring by Exceltec Intl Corp. The National Stock Number assigned to this part is 5331016112949, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D012200-P-01ITEM45.